题目
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums
to T.
The same repeated number may be chosen from C un...
分类:
其他好文 时间:
2014-06-15 20:00:18
阅读次数:
185
题目
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers
sums to T.
Each number in C may only be used once in...
分类:
其他好文 时间:
2014-06-15 19:24:21
阅读次数:
229
Humble Numbers
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 9396
Accepted: 4417
Description
A number whose only prime factors are 2,3,5 or 7 is called a...
分类:
其他好文 时间:
2014-06-15 19:04:15
阅读次数:
159
题目就是给出一组数,让我们测试其中有多少个是素数。
求素数有测试sqrt(n)个数的方法,有筛子方法,不过对于本题这样的题目来说就都不是高效的。
本题使用Miller Rabin素数测试法,效率奇高,对于不是极其大的整数测试都几乎是常数时间。令人神往的算法啊。
网上有个程序,好像是什么吉林的模板程序,不过我一直没看懂他是什么思路写的,是个AC的程序,不过却是错误的,呵呵,因为程序一直把9当做...
分类:
其他好文 时间:
2014-06-15 18:48:07
阅读次数:
194
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
Note: You can only move either down or right at...
分类:
其他好文 时间:
2014-06-13 20:36:56
阅读次数:
280
原题地址:https://oj.leetcode.com/problems/multiply-strings/题意:Given
two numbers represented as strings, return multiplication of the numbers as a
string.N...
分类:
编程语言 时间:
2014-06-12 21:43:03
阅读次数:
344
The following scripts can be used to check for
huge line numbers:-- PO Requisitionsselect * from PO_REQUISITION_LINES_ALL where
LINE_NUM > 1000000000;...
分类:
数据库 时间:
2014-06-12 09:41:27
阅读次数:
295
链表模拟加法/字符串模拟二进制加法/数组模拟加一操作/打印1到最大的n位数/字符串模拟乘法============================================Add
Two Numbers两个链表代表两个数字,每个结点的值都是一位数字,单链表逆序存放这两个数字,构造出一个新的链表...
分类:
其他好文 时间:
2014-06-10 22:02:23
阅读次数:
409
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.
If such arrangement is not possible, it must rearrange it as the lowest possible...
分类:
其他好文 时间:
2014-06-10 10:52:42
阅读次数:
192